Unit5 Power of Ideas (Period 4)课件2026-2027学年人教版九年级上册英语

PowerofIdeas(Period4)SectionB(1a-1f)

人教版九年级上册英语语法选择()1.Don’tsmokehere.Smoking______inpublicplaces.A.doesn’tallowB.doesn’tbeallowedC.isn’tallowed()2.YoungpeopleinFuzhou______tolearnmoreabouttraditionalculturelikeMinOpera.A.encourageB.areencouragedC.haveencouraged()3.Manytreesandflowers______inourschoollastyearandtheymadeourschoolabeautifulgarden.A.haveplantedB.areplantedC.wereplanted✓✓✓LearningObjectivesSeekknowledgeandgaininsight01.核心词汇与短语突破精准掌握本课时28个核心单词及重点短语的发音规则，结合典型例句理解其用法，实现从词汇记忆到灵活运用的跨越。02.说明文阅读与信息提取深入研读关于造纸术的英语说明文，学会分析文章结构，快速抓取段落大意，并能准确提炼文中的关键细节与技术信息。03.口语表达与文化思辨能够用连贯的英语清晰描述传统造纸的工艺流程，并参与小组讨论，批判性地思考造纸术这一伟大发明对世界文明发展的深远影响。1reality/riˈæləti/n.现实;事实例句:Wemustfacereality.2papermaking/ˈpeɪpəmeɪkɪŋ/n.造纸工艺;造纸业例句:CaiLunimprovedpapermaking.3responsible/rɪˈspɒnsəbl/adj.有责任的;作为原因的例句:Heisresponsibleforthisproject.4rapid/ˈræpɪd/adj.迅速的;瞬间的例句:Thecityhasrapiddevelopment.5shape/ʃeɪp/v.塑造

n.形状例句:Thecloudhasastrangeshape.6bronze/brɒnz/n.青铜例句:Thebellismadeofbronze.7ware/weə/n.制品;陶器例句:Bronzewareisveryvaluable.8stone/stəʊn/n.石头;岩石例句:Thehouseisbuiltofstone.9jute/dʒuːt/n.黄麻纤维例句:Juteisakindofplantfibre.10fibre/ˈfaɪbə/n.纤维;纤维素例句:Fibreisgoodforyourhealth.1expensive/ɪkˈspensɪv/adj.昂贵的例:Thecarisveryexpensive.2officer/ˈɒfɪsə/n.官员;军官例:Hisfatherisanarmyofficer.3workshop/ˈwɜːkʃɒp/n.作坊;讲习班例:Heworksinasmallworkshop.4none/nʌn/pron.没有一个;毫无Noneofthemknowstheanswer.5ideal/aɪˈdiːəl/adj./n.理想的;最合适的/理想例:Thisisanidealplaceforapicnic.6bark/bɑːk/n.树皮例:Thebarkofthetreeisrough.7certain/ˈsɜːtn/adj./pron.某些;确定的/某些Certainplantscangrowindryplaces.8suitable/ˈsuːtəbl/adj.合适的;适宜的例:Thisbookissuitableforchildren.9liquid/ˈlɪkwɪd/n./adj.液体/液体的例:Waterisakindofliquid.10cheap/tʃiːp/adj./adv.便宜的/低廉地例:Theshirtisverycheap.1creation/kriˈeɪʃn/n.创造;作品例句:Theinventionisagreatcreation.2lateron后来;其后例句:Lateron,hebecameafamousscientist.3speedup(使)加速例句:Thecarspeededuponthehighway.4Arab/ˈærəb/adj./n.阿拉伯的;阿拉伯人例句:HeisanArabbusinessman.5resultin导致;造成例句:Theaccidentresultedinthreedeaths.6leadto导致;造成例句:Hardworkleadstosuccess.7birth/bɜːθ/n.诞生;出现例句:ThebirthoftheInternetchangedtheworld.8CE/ˌsiːˈiː/(CommonEra)公元例句:Thestoryhappenedin105CE.9beresponsiblefor对……负责;是……的原因例句:Smokingisresponsibleformanydiseases.Fillintheblankswiththecorrectwords.responsiblerapidsuitablecertainbirthleadtospeedup01The__________

developmentoftechnologychangesourlife.02Heis__________________

forthemistake.03Thismovieisnot

__________

forchildren.04Theinventionofprinting

__________

morebooks.05The

__________

oftheInternetchangedtheworld.

06Weneedto

__________theprocess.07__________

plantscangrowinverycoldplaces.rapidresponsiblesuitableleadtobirthspeedupCertainFillintheblankswiththecorrectwords.1.Afteryearsofhardwork,hisdreamfinallybecamea______________.(现实)2.Asadults,weshouldbe______________forourowndecisions.(负责任的)3.The______________developmentofAIhaschangedourdailylives.(快速的)4.Thishandmadenecklaceistoo______________formetobuynow.(昂贵的)5.ThiscasualT-shirtisnot______________foraformalweddingparty.(合适的)6.The______________ofthesmartphonewasamilestoneinhumanhistory.(创造)7.Weneedto______________theprocesstomeetthetightdeadline.(加快速度)8.Ignoringtrafficrulescan______________seriousaccidentsontheroad.(导致)9.Regularexerciseandabalanceddiet______________ahealthylifestyle.(促成)10.The______________ofthenewhospitalbroughthopetothelocalcommunity.(诞生)realityresponsiblerapidexpensivesuitablecreationspeedupleadtoresultinbirthWhatmaterialarethesethingsmadeof?Findmorethingsthataremadeofthismaterial.1aPaperBagAcommoneco-friendlycarrierusedforshoppingandpackaging.Itisrecyclableandbiodegradable,makingitagreenchoice.TextbookBoundprintedpagescontainingknowledgeandinformation.It'stheprimarymediumforspreadingeducationandculture.EnvelopeAflatcontainerusedtoholdlettersordocumentsformailing.Itprotectsthecontentsandindicatestheaddress.MicroStructureThefibrouscomposition(cellulose)thatformsthebaseofthismaterial,givingitstrengthandflexibilityforvarioususes.Think&Share:Canyouguesswhatmaterialwewilltalkabouttoday?Discusswithyourpartnerandlist3moreobjectsmadefromthismaterial.Bereadytoshareyourideaswiththeclass!ThinkandtalkReadthetextandmatcheachparagraphwithitstopic.1bReadthetext.AnInventionThatChangedtheWorldCanyouimagineaworldwithoutbooks,newspapers,ormagazines?Allofthesethingsdependononeinvention—papermaking.It,morethananyotherinvention,wasresponsiblefortherapidspreadofinformationthatshapedourmodernworld.InancientChina,manydifferentmaterialswereusedtowriteon,suchasanimalbones,bronzeware,stones,wood,bamboo,andevensilk.IntheWesternHanDynasty,therewasalsoaveryearlyformofpapermadefromjute—afibrethatcomesfromplants.However,allofthesematerialswereeitherdifficulttouseandstore,orveryexpensive.LanguagePoint01.dependon/upon含义：取决于；依靠；信赖；随……而定📌核心结构：S+depend(s)on+sb./sth./宾语从句💡经典例句：1.Oursuccessdependsoneveryone'shardwork.译：我们的成功取决于每个人的努力。2.Youmaydependonitthathewillcome.译：你放心，他一定会来的。02.beresponsiblefor含义：对……负责；是……的起因/根源📌核心结构：Sb./Sth.+be+responsiblefor+n./v-ing💡经典例句：1.Parentsareresponsiblefortheirkids'growth.译：父母对孩子的成长负有责任。2.Climatechangeisresponsibleforthedrought.译：气候变化是导致这场干旱的原因。03.therapidspreadof...含义：……的快速传播/蔓延；迅速普及📌核心结构：the+rapidspread+of+n.(抽象/具体事物)💡经典例句：1.Wemuststoptherapidspreadofrumors.译：我们必须阻止谣言的快速传播。2.TherapidspreadofAIhaschangedourlives.译：人工智能的快速普及改变了我们的生活。LanguagePoint01.bemadeof含义：由……制成（能直接看出原材料，物理变化）📝例：Thebridgeismadeofstone.（这座桥是石头造的，能看到石头）。02.bemadefrom含义：由……制成（看不出原材料，化学变化）📝例：Paperismadefromwood.（纸是木头做的，看不出木头原样）。03.bedifficulttodosth.核心用法：表示“做某事有困难”，主语通常是物，不定式作状语修饰表语。也可用It作形式主语。经典例句：1.Thetaskisdifficulttofinishontime.

2.Itisdifficultforhimtolearntwolanguagesatthesametime.Readthetext.AstheheadofficerofthepalaceworkshopfortheemperorintheEasternHanDynasty,CaiLunbecameinterestedintryingtosolvetheproblem.Differentmethodsforcreatingsomethingtowriteonweretried,butnonewereideal.Inhistime,somekindsofbark—theouterpartoftrees—wereusedtomakeclothes.Frompastexperiences,CaiLungottheideathatbark,certainplants,andoldclothescouldbeusedtomakeaspecialmaterialsuitabletowriteon.LanguagePoint01.trytodosth.努力/设法去做某事📌核心结构：try(not)todosth.

强调付出努力去尝试达成目标📝经典例句：Hetriedtofinishthereportbeforethedeadline,buthewasinterruptedbyanurgentcall.

（他努力想在截止日期前完成报告，但被一个紧急电话打断了。）02.gettheideathat...想到……；产生……的想法📌核心结构：gettheideathat+宾语从句

常用来描述突然萌生的念头或想法📝经典例句：Isuddenlygottheideathatwecouldorganizeasurprisepartyforherbirthday.

（我突然想到我们可以为她的生日组织一个惊喜派对。）03.besuitablefor/todo适合做某事；适合……的📌核心结构：besuitableforsb./sth.

besuitabletodosth.（强调适宜性）📝经典例句：Thiskindoffilmisnotsuitableforchildrenunder12towatchalone.

（这类电影不适合12岁以下的儿童独自观看。）Readthetext.InthefirststepofCaiLun’sexperiment,alltheingredientsweremixedandboiledinwater.Then,thismaterialwasbeaten,cutup,andmixedwithwateragain.Next,theliquidwaspouredoverabambooscreen,leavingjustthefibre.Finally,thisfibrewasdriedandpressedtoformpaper.Toeveryone’ssurprise,thispaperwassoft,light,easytomakeanduse,andmostimportantly,cheap.In105CE,CaiLunshowedhiscreationtotheemperor.TheemperorwasverypleasedandpraisedCaiLunforhisgreatwork.LanguagePoint1原料混合煮沸Alltheingredientsweremixedandboiledinwater.原料入水混合煮沸2打碎切碎搅拌Thematerialwasbeaten,cutup,andmixedwithwateragain.反复捶打切碎加水3倒竹帘留纤维Theliquidwaspouredoverabambooscreen,leavingjustthefibre.浆液过帘滤出纤维4干燥压平成纸Thefibrewasdriedandpressedtoformpaper.干燥定型压平成纸5献纸于皇帝In105CE,CaiLunshowedhiscreationtotheemperor.公元105年献于朝廷新纸张的四大特点soft质地柔软light轻盈便携easytomake制作简便易用cheap成本低廉Readthetext.

Lateron,thepapermakingtechniquenotonlyspeededupthedevelopmentofChineseculture,butalsochangedcivilizationsaroundtheworld.ItfirstspreadtoChina’sneighbouringcountriesandfinallyreachedEuropethroughArabcountriesinthe12thcentury.Whentheuseofpaperandprintingcametogetherinlatercenturies,itledtoarapidincreaseinthenumberofbooks.Thisresulted

inanewbirthofknowledge,creatingtheworldwehavetoday.LanguagePointspeedup/spiːdʌp/(使)加速；加快进程例句：Regularexercisecanspeedupyourmetabolismandimproveoverallhealth.（规律的运动能加快新陈代谢，改善整体健康状况。）重点辨析：resultinvsleadto(因果关系的不同侧重)01.resultin「造成；致使」强调“直接因果”，通常指由某个具体行为或事件直接引发了某个结果。在实际应用中，该结果往往带有负面或消极的色彩。例：Theheavyrainresultedinthefloodingofthevillage.（暴雨导致了村庄被淹。）02.leadto「导致；通向」强调“过程导向”，表示某一行为、趋势或一系列事件逐步引向某个结果。结果可以是积极的、消极的，也可指具体的“通往”某地。例：Hardworkanddedicationleadtosuccessinyourcareer.（努力和投入会通向事业的成功。）LanguageFocus01.材质构成：可见性判断bemadeof

制成品仍可直接看出原材料。强调物理变化。

例：Thedeskismadeofsolidwood.bemadefrom

制成品无法看出原材料。强调化学变化。

例：Cheeseismadefrommilk.💡记忆口诀：

“看得出原材料用of，看不出用from”。如：木制桌椅用of，纸浆造纸用from。02.因果逻辑：结果与动因resultin/leadto

主语通常是事件或行为，侧重引发的最终结果。

例：Globalwarmingleadstorisingsealevels.cause

强调造成某种后果的直接原因或根源，语气较强。

例：Poormanagementcausedthecompany'sfailure.💡用法辨析：

三者都接名词/动名词。resultin/leadto侧重“导致结果”；cause侧重“归咎原因”，主语也可以是人。03.动作反义：节奏控制speedup

意为“加速；使……更快”，可指物理速度或进程。

例：Wemustspeeduptomeetthedeadline.slowdown

意为“减速；放慢节奏”，强调降低速度或暂停。

例：Slowdown!Thetrafficlightisturningred.💡场景联想：

这是一对常见的动作反义词。Up暗示“向上/增加”，Down暗示“向下/减少”，结合介词方向记忆更高效。LanguagePractice01.Thepaperweuseeveryday__________________woodandbamboo.It’sakindofnaturalmaterial.Clue:bemadefrom(由...制成，看不出原材料)02.IfyoukeeppracticingspeakingEnglishdaily,itwillcertainly__________________yourgreatprogressinthefuture.Clue:leadto(导致；通向)03.Drivingafterdrinkingtoomuchwinewill__________________seriousaccidentsontheroad.It’sillegal!Clue:resultin(导致...结果，强调后果)04.Whetherwecanfinishthegroupprojectontime__________________everyone’shardworkandcooperation.Clue:dependon(依靠；取决于)05.Asateamleader,youshould_______________________organizingtheactivitiesandmakingsureeverythinggoeswell.Clue:beresponsiblefor(对...负责)06.To__________________theconstructionofthenewlibrary,workersareworkingextrahoursthesedays.Clue:speedup(加速；加快)07.Lookatthisshinyring!It__________________silverandwashandmadebyafamousdesigner.Clue:bemadeof(由...制成，能看出原材料)08.Please_______________________thespellingandgrammarwhenyouwriteyourEnglishcomposition.Clue:payattentionto(注意；留意)ismadefromleadtoresultindependsonberesponsibleforspeedupismadeofpayattentiontoMindMapChecktheanswer.1bParagraph1  A.EarlymaterialstowriteonParagraph2

B.CaiLun’sexperimentParagraph3

C.IntroductiontothetopicParagraph4

D.HowpaperchangedtheworldParagraph5

E.CaiLun’screativeideaFindoutwhatthesepronounsfromthetextreferto.1cItinParagraph5:__________________ItfirstspreadtoChina’sneighbouringcountriesandfinallyreachedEuropethroughArabcountriesinthe12thcentury.ItinParagraph1:__________________It,morethananyotherinvention,wasresponsiblefortherapidspreadofinformationthatshapedourmodernworld.itinParagraph5:__________________Whentheuseofpaperandprintingcametogetherinlatercenturies,itledtoarapidincreaseinthenumberofbooks.ThisinParagraph5:__________________Thisresultedinanewbirthofknowledge,creatingtheworldwehavetoday.Findoutwhatthesepronounsfromthetextreferto.1c01ItinParagraph1:___________________________02ItinParagraph5:___________________________03itinParagraph5:______________________________________04ThisinParagraph5:____________________________________解题技巧Tip1.向前溯源(LookBack)代词指代题的黄金法则是“前指”。答案通常就在该代词所在句子的前一句或紧邻的上文语境中，极少出现在后面。2.逻辑与语法验证找到候选名词后，检查它与代词在单复数、人称、语义上是否一致。将名词代入原句，看逻辑是否通顺。3.关注核心名词注意长难句中的修饰成分，指代的通常是句子的主语或宾语核心词，而非修饰性的形容词或副词。papermakingthepapermakingtechniquetheuseofpaperandprintingcomingtogethertherapidincreaseinthenumberofbooksReadagainandcompletethetable.1dReadthetext.AnInventionThatChangedtheWorldCanyouimagineaworldwithoutbooks,newspapers,ormagazines?Allofthesethingsdependononeinvention—papermaking.It,morethananyotherinvention,wasresponsiblefortherapidspreadofinformationthatshapedourmodernworld.InancientChina,manydifferentmaterialswereusedtowriteon,suchasanimalbones,bronzeware,stones,wood,bamboo,andevensilk.IntheWesternHanDynasty,therewasalsoaveryearlyformofpapermadefromjute—afibrethatcomesfromplants.However,allofthesematerialswereeitherdifficulttouseandstore,orveryexpensive.Readthetext.AstheheadofficerofthepalaceworkshopfortheemperorintheEasternHanDynasty,CaiLunbecameinterestedintryingtosolvetheproblem.Differentmethodsforcreatingsomethingtowriteonweretried,butnonewereideal.Inhistime,somekindsofbark—theouterpartoftrees—wereusedtomakeclothes.Frompastexperiences,CaiLungottheideathatbark,certainplants,andoldclothescouldbeusedtomakeaspecialmaterialsuitabletowriteon.Readthetext.InthefirststepofCaiLun’sexperiment,alltheingredientsweremixedandboiledinwater.Then,thismaterialwasbeaten,cutup,andmixedwithwateragain.Next,theliquidwaspouredoverabambooscreen,leavingjustthefibre.Finally,thisfibrewasdriedandpressedtoformpaper.Toeveryone’ssurprise,thispaperwassoft,light,easytomakeanduse,andmostimportantly,cheap.In105CE,CaiLunshowedhiscreationtotheemperor.TheemperorwasverypleasedandpraisedCaiLunforhisgreatwork.Readthetext.

Lateron,thepapermakingtechniquenotonlyspeededupthedevelopmentofChineseculture,butalsochangedcivilizationsaroundtheworld.ItfirstspreadtoChina’sneighbouringcountriesandfinallyreachedEuropethroughArabcountriesinthe12thcentury.Whentheuseofpaperandprintingcametogetherinlatercenturies,itledtoarapidincreaseinthenumberofbooks.Thisresulted

inanewbirthofknowledge,creatingtheworldwehavetoday.Checktheanswers.1dQuestionMaterialbeforeCaiLunCaiLun'spaperWhatwasitlike?Whatwasusedtomakeit?Eitherdifficulttouseandstoreorveryexpensive.Soft,light,easytomakeanduse,andcheap.Animalbones,bronzewares,stones,wood,bamboo,silkandjute.Bark,certainplants,andoldclothes.Putthesentencesinorder.Thenretelltheprocessofmakingpaperinyourownwords.1e________A.Thematerialwasbeaten,cutup,andmixedwithwater.________B.Alltheingredientsweremixedandboiledinwater.________C.Thefibrewasdriedandpressedtoformpaper.________D.Theliquidwaspouredoverabambooscreen,leavingjustthefibre.2143RetelltheProcessTaskInstruction:Workinpairs!UsethekeyphrasesbelowtoretelltheentireprocessofCaiLun'spapermaking.Payattentiontousingsequenceconnectorstomakeyourstorysmoothandlogical.01.FirstCollectplantfibers(bark,hemp,etc.),thenmixthemwithwaterandboilthemthoroughlyuntiltheybecomesoft.02.ThenCutuptheboiledmaterialsintosmallpieces,thenbeatthemrepeatedlytoturnthemintoafinepulp.03.NextPourthepulpmixtureoverathinbambooscreentoletthewaterdrainout,formingathinwetlayer.04.FinallyDrythewetlayerinthesunorair,thenpressitflattomakeasmoothsheetofpaper.Discussthequestions.1f1.WhatothergreatinventionsdoyouknowthatweremadeinancientChina?Howwastheworldchangedbythem?2.Whatqualitiesdoyouthinkagreatinventorhas?01.AncientInventions&GlobalImpactWhatotherancientChineseinventionsdoyouknowbesidestheFourGreatInventions?Explorehowtheseinnovationschangedthewaypeoplelived,worked,orinteractedwiththeworldatlarge.02.QualitiesofaGreat